$ git clone -n https://src.fedoraproject.org/rpms/kscreenlocker.git /var/lib/mock/f31-build-66461-29878/root/thebuilddir/tmp/scmroot/kscreenlocker
Cloning into '/var/lib/mock/f31-build-66461-29878/root/thebuilddir/tmp/scmroot/kscreenlocker'...
$ git reset --hard 4a955c6bc82a659559b17ca1eeeb0b8e83e63aa8
HEAD is now at 4a955c6 5.16.4